两国通过谈判达成了暂时的共存协议。

The two countries negotiated a temporary ___modus vivendi through talks.

两国达成的临时停战协议只是为了维持脆弱的共存状态，直到下一轮会谈开始。

The temporary ceasefire agreement was just a fragile ___modus vivendi until the next round of talks began.